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Finding the Fourth Proportional to 229,492.42, 343,501.92 and 122,609.28

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Solution

The fourth proportional to 229,492.42, 343,501.92 and 122,609.28 is: 183,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,492.42 : 343,501.92 = 122,609.28 : x
  2. Step 2: Convert to fraction form
    229,492.42/343,501.92 = 122,609.28/x
  3. Step 3: Cross multiply
    229,492.42x = 343,501.92 × 122,609.28
  4. Step 4: Simplify right side
    229,492.42x = 42,116,523,089.82
  5. Step 5: Solve for x
    x = 42,116,523,089.82/229,492.42
  6. Step 6: Final answer
    x = 183,520.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.